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MIC2289C-34YD6-TX1 PDF预览

MIC2289C-34YD6-TX1

更新时间： 2024-11-27 14:53:35
品牌 Logo 应用领域
美国微芯 - MICROCHIP 驱动光电二极管接口集成电路
页数 文件大小 规格书
22页 1266K
描述
LED Driver, 7-Segment, PDSO6

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中文翻译

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MIC2289C-34YD6-TX1 技术参数

生命周期：Active包装说明：VSSOP,
Reach Compliance Code：compliant风险等级：5.56
接口集成电路类型：LED DISPLAY DRIVERJESD-30 代码：R-PDSO-G6
长度：2.9 mm复用显示功能：NO
功能数量：1区段数：7
端子数量：6最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：VSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH座面最大高度：1 mm
最大供电电压：10 V最小供电电压：2.5 V
标称供电电压：3.6 V表面贴装：YES
温度等级：AUTOMOTIVE端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
宽度：1.6 mmBase Number Matches：1

MIC2289C-34YD6-TX1 数据手册

 浏览型号MIC2289C-34YD6-TX1的Datasheet PDF文件第2页浏览型号MIC2289C-34YD6-TX1的Datasheet PDF文件第3页浏览型号MIC2289C-34YD6-TX1的Datasheet PDF文件第4页浏览型号MIC2289C-34YD6-TX1的Datasheet PDF文件第5页浏览型号MIC2289C-34YD6-TX1的Datasheet PDF文件第6页浏览型号MIC2289C-34YD6-TX1的Datasheet PDF文件第7页 
MIC2289  
White LED Driver Internal Schottky Diode and OVP  
Features  
General Description  
• 2.5V to 10V Input Voltage Range  
• Output Voltage up to 34V  
• Internal Schottky Diode  
The MIC2289 is a PWM (pulse width modulated),  
boost-switching regulator that is optimized for constant  
current white LED driver applications. The MIC2289  
features an internal Schottky diode and three levels of  
output overvoltage protection providing a small size  
and efficient DC/DC solution that requires only four  
external components.  
• 15V, 24V, 34V Output OVP Options  
• 1.2 MHz PWM Operation  
• Over 500 mA Switch Current  
• 95 mV Feedback Voltage  
• <1% Line and Load Regulation  
• <1 μA Shutdown Current  
• Overtemperature Protection  
• UVLO  
To optimize efficiency, the feedback voltage is set to  
only 95 mV. This reduces power dissipation in the  
current setting resistor and allows the lowest total  
output voltage, hence minimizes current draw from the  
battery.  
The MIC2289 implements a constant frequency  
1.2 MHz PWM control scheme. The high frequency,  
PWM operation saves board space by reducing  
external component sizes. The added benefit of the  
constant frequency PWM scheme in comparison to  
variable frequency is much lower noise and input ripple  
injected to the input power source.  
• 6-Pin Thin SOT-23 and 2 mm x 2 mm DFN-8  
Package Options  
• –40°C to +125°C Junction Temperature Range  
Applications  
• White LED Driver for Backlighting:  
- Cell Phones  
The MIC2289 clamps the output voltage in case of  
open LED conditions, protecting itself and the output  
capacitor. The MIC2289 is available with three output  
OVP options of 15V, 24V, and 34V. The different OVP  
options allows the use of the smallest possible output  
capacitor with the appropriate voltage rating for a given  
application.  
- PDAs  
- GPS Systems  
- Digital Cameras  
- MP3 Players  
- IP Phones  
• LED Flashlights  
• Constant Current Power Supplies  
The MIC2289 is available in low profile 6-pin Thin  
SOT-23 and 8-pin 2 mm × 2 mm DFN package options.  
The MIC2289 has a junction temperature range of  
–40°C to +125°C.  
Package Types  
MIC2289  
DFN-8 (ML)  
(Top View)  
MIC2289  
Thin SOT23-6 (D6)  
(Top View)  
GND  
2
FB  
3
SW  
1
OUT  
VIN  
1
2
3
4
8
7
6
5
PGND  
SW  
EN  
FB  
AGND  
EP  
NC  
4
5
6
EN VIN OUT  
2019 Microchip Technology Inc.  
DS20006207A-page 1  
1234567...22

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